Hanʼguk ŭi IT lidŏdŭl
Edition: 2-pʻan
Publisher: Tijitʻŏl Tʻaimsŭ
Published: 2004
Place of publication: Sŏul-si
Language: kor
Number of pages: 640
Other titles: Lidŏdŭl
Notes: "Challenging the world best 94 pioneers."